{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x4565f9e1d01e50aefdbb2304c5228e846c3db7e3fc9a73e0576f122012b06b38",
    "signature": "0xc9766c27cd028aa21ad644fb47542637e688d80fa60ebe8567748e3259ebc8491dbde618f94c2aba13ee0836ae382832a8bd9706b42fd60110e790fac5b7e5fd1b",
    "signer": "0xEd14D73A5c11D1e3AfaA7B8ee39e654afcAd686e",
    "userId": "934458829"
  }
}